Home / 12,793,087.02-17,654,417.76-6,991,867.20

Finding the Fourth Proportional to 12,793,087.02, 17,654,417.76 and 6,991,867.20

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Solution

The fourth proportional to 12,793,087.02, 17,654,417.76 and 6,991,867.20 is: 9,648,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,087.02 : 17,654,417.76 = 6,991,867.20 : x
  2. Step 2: Convert to fraction form
    12,793,087.02/17,654,417.76 = 6,991,867.20/x
  3. Step 3: Cross multiply
    12,793,087.02x = 17,654,417.76 × 6,991,867.20
  4. Step 4: Simplify right side
    12,793,087.02x = 123,437,344,471,241.48
  5. Step 5: Solve for x
    x = 123,437,344,471,241.48/12,793,087.02
  6. Step 6: Final answer
    x = 9,648,753.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.